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Question Number 77804 by BK last updated on 10/Jan/20

Commented by MJS last updated on 10/Jan/20

is 2^(∣x∣)  positive or negative?  what′s the range of sin x^2  ?  what are your thoughts, Sir BK?

$$\mathrm{is}\:\mathrm{2}^{\mid{x}\mid} \:\mathrm{positive}\:\mathrm{or}\:\mathrm{negative}? \\ $$$$\mathrm{what}'\mathrm{s}\:\mathrm{the}\:\mathrm{range}\:\mathrm{of}\:\mathrm{sin}\:{x}^{\mathrm{2}} \:? \\ $$$$\mathrm{what}\:\mathrm{are}\:{your}\:\mathrm{thoughts},\:\mathrm{Sir}\:\mathrm{BK}? \\ $$

Commented by mr W last updated on 11/Jan/20

this Mr. BK is not interested in  lerning methmatics and exchanging  with others, which is the purpose of  this forum. what a pity! once i asked  him what′s his purpose then. he ignored  also this question of mine. it seems  that he just posts some questions from  somewhere, i.e. not his own questions,  and awaits that somebody gives him a   solution. who knows what he does with  the solution. angway it′s a strange  behaviour.

$${this}\:{Mr}.\:{BK}\:{is}\:{not}\:{interested}\:{in} \\ $$$${lerning}\:{methmatics}\:{and}\:{exchanging} \\ $$$${with}\:{others},\:{which}\:{is}\:{the}\:{purpose}\:{of} \\ $$$${this}\:{forum}.\:{what}\:{a}\:{pity}!\:{once}\:{i}\:{asked} \\ $$$${him}\:{what}'{s}\:{his}\:{purpose}\:{then}.\:{he}\:{ignored} \\ $$$${also}\:{this}\:{question}\:{of}\:{mine}.\:{it}\:{seems} \\ $$$${that}\:{he}\:{just}\:{posts}\:{some}\:{questions}\:{from} \\ $$$${somewhere},\:{i}.{e}.\:{not}\:{his}\:{own}\:{questions}, \\ $$$${and}\:{awaits}\:{that}\:{somebody}\:{gives}\:{him}\:{a}\: \\ $$$${solution}.\:{who}\:{knows}\:{what}\:{he}\:{does}\:{with} \\ $$$${the}\:{solution}.\:{angway}\:{it}'{s}\:{a}\:{strange} \\ $$$${behaviour}. \\ $$

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